Rehabilitation type force buckle brushing notes d3
catalogue
Small diary written in front
Code part
Question 1576
Question 26
Question 27
Question 5
java small knowledge part
Question 1576
Question 27
Question 5
Small diary written in front
Changed the c-plane and power supply for the notebook. Finally, it can support me to press the n key smoothly and use the computer without plug ...
Added by joshblue on Thu, 06 Jan 2022 13:38:12 +0200
University student status management system_ Course design of introduction to database system
The following contents are for reference only. If there are errors, please correct them.
Design requirements
Realize the management of student information, classes, departments and majors;
Realize the management of course and student achievement information;
Realize the information management of students' rewards and punishments;
Create ...
Added by conquest on Wed, 29 Dec 2021 03:02:19 +0200
JS basics day12
Addition, deletion and modification of DOM:
Add innerHTML + = appendChild() insertBefore()
Delete} innerHTML = 'remove() removeChild()
Modify replaceChild()
Query:
Know node - line breaks, text, comments, labels are all node lists
Tag: HTMLCollection
Array array
Array 2} Arguments
Array 3 # NodeList
Array 4} HTMLCollection
Each of ...
Added by mainewoods on Sun, 26 Dec 2021 15:55:30 +0200
Reflection --- the soul of frame design
1, What is reflection?
① Frame: it is a semi-finished product! Benefits: improve our development efficiency and make our code more concise
② Reflection: when allowed, the process of extracting members from a class into other classes is called reflection
II. Method of obtaining reflection Class
① Obtained by the full path string of the cla ...
Added by stiduck on Sat, 25 Dec 2021 21:44:44 +0200
CSP-J 2021 problem solving Report
Review the preliminaries well. I pressed the line
Fooling around with the cover
1. Divide candy
Generally speaking, T1 is not too difficult. In fact, it is not very difficult
I was so stupid that I didn't think of it until half an hour later
Cough, look at the data range of 10 ^ 9109, it's not done with violence.
If there are n children ...
Added by Kaizard on Sat, 18 Dec 2021 05:53:34 +0200
Chapter 6 function
1. General
Code snippets that are well organized and realize a single function or related linkage
Programs that do not use functions} programs that use functions
Clear structure and simplified code
Advantages of functional programming:
(1) Modularization of the program not only reduces redundant code, but also makes the program structure ...
Added by ironman on Thu, 16 Dec 2021 15:00:11 +0200
Oracle, PL/SQL storage
catalogue
Create a process to raise 100 yuan for the designated employee. And output the wages before and after the rise.
Query the name and salary of the specified employee, and use the out mode parameter value to pass it to the caller.
Call by binding variables in the command window, and the related steps
Create a stored procedure, que ...
Added by jfeather on Thu, 16 Dec 2021 14:07:08 +0200
Aop [aspect oriented programming]
1 what is aop
aop is a technology to realize the unified maintenance of program functions through precompiled mode and runtime dynamic agent. aop, also known as aspect oriented programming, is the continuation of oop. It is not only a hot spot in software development, but also an important content in spring framework. It is a derivative generi ...
Added by haku87 on Sun, 12 Dec 2021 13:27:15 +0200
Generic reflection annotation
1. Generics
1.1 generic definitions
Pass the data type of a class / interface / method / variable to the class / interface / method / variable like using parameters.
Parameterization and arbitrariness of data types.
1.2 why do you need generics?
...
Added by rekha on Tue, 07 Dec 2021 00:37:48 +0200
LINQ to SQL and IQueryable
Famous sayings and phrases
"The easiest way to understand IQueryable is to think of it as a query that will produce a sequence of results when executed." - Jon Skeet
What is the difference between LINQ to Object and LINQ to SQL?
LINQ to SQL converts query expressions into SQL statements and executes them in the database. Instead of ...
Added by larryg on Fri, 01 Oct 2021 20:26:43 +0300